Former Indian Spy Chief A.S. Dulat has asked Prime Minister Narendra Modi to weigh his widely speculated options against Pakistan, because war is not a picnic.

The congress party-run national herald newspaper quoted him as saying that wars are nastier these days and people at the top have to weigh its consequences.

Dulat said Kargil war was a limited operation and fortunately many civilians were not affected by it.He said the weaponry is now not that of previous wars and it has all changed.